ALEXANDRIA, Va., June 5 -- United States Patent no. D1,071,136, issued on April 15.
"Ventilation panel for indoor use" was invented by Oleksandr Klapishevskyy (Kyiv, Ukraine) and Anatoliy Tsomyk (Kyiv, Ukraine).
The patent was filed on Nov. 29, 2023, under Application No. D/520,620.
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